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Backdraft Damper This handy item is a backdraft damper with a spring return which prevents air and light from entering when a vent fan is not in use. Can be connected to ducting. Easy to install. Product ID: XDAMPER Category: Miscellaneous Equipment-Fans-Vent Fans-Accessories Choose Size 8 $44.95 4 $24.95 12 $59.95 6 $34.95 10 $49.95 Quantity

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